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<html lang="ch-CN">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>列表</title>
</head>
<style>
    ol {
        list-style-type: none;
        /* 推荐设置为none 这样更灵活 */
        list-style-image: url(img/管理认证.png);
    }
    ul {
        list-style-type:none;
        /* 推荐设置为none 这样更灵活 */
        list-style-image: url(img/管理认证.png);
    }
</style>

<body>
    <ol>
        <li> <span>1.</span>李白 </li>
        <li> <span>2.</span>杜甫</li>
        <li> <span>3.</span>李商隐 </li>

    </ol>

    <ul>
        <li> 1.李白 </li>
        <li> 2.杜甫 </li>
        <li> 3.李商隐 </li>
    </ul>
</body>
</html>